CN114320890A - High-stability hydraulic gear pump - Google Patents
High-stability hydraulic gear pump Download PDFInfo
- Publication number
- CN114320890A CN114320890A CN202210020511.4A CN202210020511A CN114320890A CN 114320890 A CN114320890 A CN 114320890A CN 202210020511 A CN202210020511 A CN 202210020511A CN 114320890 A CN114320890 A CN 114320890A
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- gear
- pump body
- fixedly connected
- pump
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000005389 magnetism Effects 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 36
- 239000010720 hydraulic oil Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 10
- 230000000087 stabilizing effect Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000006698 induction Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The invention discloses a high-stability hydraulic gear pump which comprises a pump body, wherein the front side of the pump body is fixedly connected with an oil inlet pipe, the rear side of the pump body is fixedly connected with an oil outlet pipe, the left side wall of the pump body is connected with a driving shaft in a penetrating manner, and the tail end of the driving shaft extends into the pump body; according to the invention, hydraulic oil is introduced into the flow cavity through the oil inlet pipe, and meanwhile, the oil suction cavity and the oil pressing cavity which correspond to the two sides of the flow cavity are generated through the matching arrangement among the driving shaft, the driving gear and the driven gear, so that the effect of continuously and hydraulically discharging the hydraulic oil is achieved, and simultaneously, the generation of induced electromotive force is realized through the matching arrangement among the rotating column, the stator and the conductive coil, so that the effect of converting the kinetic energy of the driving shaft into the electric energy in the meshing transmission process of the gear pump is achieved, and the kinetic energy is provided for a subsequent stabilizing mechanism.
Description
Technical Field
The invention relates to the technical field of hydraulic gear pumps, in particular to a high-stability hydraulic gear pump.
Background
The hydraulic gear pump realizes the volume change of hydraulic oil in a closed cavity formed by the gear pitch and the gear grooves along the mutual meshing between the gears, and further realizes the pressure difference between an oil inlet pipe and an oil outlet pipe of the gear pump, thereby achieving the oil outlet effect.
The prior hydraulic gear pump has the following technical defects when in use: firstly, the torque transmission core of the gear pump is realized by the mutual meshing of a driving gear and a driven gear, so the torque transmission efficiency between the gears is low in the transmission process; secondly, the hydraulic gear pump is in carrying out the torque transmission in-process because radial force is unbalanced when driving gear and driven gear meshing transmission, therefore the gear piece has certain rocking, leads to the stability of gear pump during operation relatively poor, awaits improving.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-stability hydraulic gear pump which has the advantages of high transmission efficiency and high stability and solves the technical problems in the background technology.
The invention provides the following technical scheme: a high-stability hydraulic gear pump comprises a pump body, wherein an oil inlet pipe is fixedly connected to the front side of the pump body, an oil outlet pipe is fixedly connected to the rear side of the pump body, a driving shaft penetrates through the left side wall of the pump body, and the tail end of the driving shaft extends into the pump body;
the utility model discloses a gear groove, including the pump body, the pump body is equipped with the gear groove, the pump body is equipped with the pump body, the pump body is equipped with the flow chamber in the inside, the both ends in flow chamber respectively with advance oil pipe and go out oil pipe fixed connection, the gear groove has all been seted up at the upper and lower both ends in flow chamber, the upper end the inside in gear groove is equipped with the driving gear, the left side wall fixed connection of driving gear is on the driving shaft.
Preferably, the lower end of the driving gear is engaged with a driven gear, the driven gear is positioned inside a lower end gear groove, the left side of the driven gear is fixedly connected with an electromagnetic sleeve, the left side of the electromagnetic sleeve is sleeved with a rotating column, and a limiting mechanism is arranged inside the rotating column;
the left side of rotating the post is equipped with the drive shell, the left end of rotating the post extends to the inside of drive shell, the inside of drive shell is equipped with electric energy conversion mechanism, the left side outer wall fixed connection of drive shell is on the inner wall of the pump body.
Preferably, the limiting mechanism comprises four through holes formed in the inner wall of the electromagnetic sleeve, the four through holes are arranged at equal intervals along the circumferential direction of the electromagnetic sleeve, and a torque stable transmission mechanism is arranged in the electromagnetic sleeve;
stop gear still includes the sleeve of fixed connection at the rotation post lateral wall, the equidistant four that set up of axis along rotating the post of sleeve, the equal sliding connection in telescopic outside has the bracing piece, every telescopic end is close to one side fixedly connected with electro-magnet that rotates the post.
Preferably, the electric energy conversion mechanism comprises stators fixedly connected to the upper end and the lower end of the inner wall of the driving shell, the inner wall of each stator is arc-shaped, and the stators are symmetrically arranged along the rotating columns.
Preferably, the left side wall of the rotating column is fixedly connected with two electric brushes, the top end of each electric brush is fixedly connected with a conductive coil, the conductive coil is set to be a closed rectangular coil, and the length value of the conductive coil is smaller than the distance value of adjacent stators.
Preferably, the torque stabilization transmission mechanism comprises an elastic telescopic sleeve arranged outside the electromagnetic sleeve, the inner side wall of the elastic telescopic sleeve is fixedly connected with a connecting rod, the other end of the connecting rod is connected with a sliding sleeve in a sliding manner, and the sliding sleeve is arranged inside the electromagnetic sleeve.
Preferably, the connecting rod sets up six along the equidistant of the inner wall side of elastic telescopic sleeve, elastic telescopic sleeve sets up to the electromagnetism material, the sliding sleeve is the magnetism material, elastic telescopic sleeve's electromagnetism magnetism is the same with the magnetism of sliding sleeve.
Preferably, the support rod is made of a magnetic material, the magnetism of the support rod is the same as that of the electromagnet, and the diameter value of the support rod is smaller than that of the through hole.
Preferably, a limiting groove is formed in the left side of the pump body, the driving shaft penetrates through the center of the limiting groove, four positioning holes are formed in the lower end, located in the limiting groove, of the left side wall of the pump body, and four fastening bolts are fixedly connected to the right side of the pump body.
The invention has the following beneficial effects:
1. according to the invention, hydraulic oil is introduced into the flowing cavity through the oil inlet pipe, and the oil suction cavity and the oil pressing cavity which correspond to the two sides of the flowing cavity are generated through the matching arrangement among the driving shaft, the driving gear and the driven gear, so that the effect of continuously and hydraulically discharging the hydraulic oil is achieved.
2. According to the invention, the driven gear is driven to be in meshing transmission in the process of driving the driving gear to rotate by the driving shaft, and the induced electromotive force is generated by matching the rotating column, the stator, the electric brush and the conductive coil, so that the effect of converting the kinetic energy of the driving shaft into electric energy in the meshing transmission process of the gear pump is achieved, and the kinetic energy is provided for the subsequent stabilizing mechanism.
3. The invention realizes the effect of converting the power of the driving shaft into the electric energy in the driving shell through the energy conversion mechanism, and realizes the stable support of the interior between the driving gear and the driven gear through the matching arrangement among the elastic telescopic sleeve, the connecting rod and the sliding sleeve, thereby obviously improving the working stability of the gear pump.
4. According to the invention, kinetic energy generated when the gear pump works is converted into electric energy through the energy conversion mechanism, the electric energy is stored in the driving shell, the electromagnetic sleeve is driven to be continuously electrified, the generated magnetic force enables the driving gear and the driven gear to be mutually adsorbed, the radial transmission force between the gears is further improved, the meshing torque between the gears is stably transmitted, and the transmission efficiency is remarkably improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal cross-section of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic structural view of a limiting mechanism of the present invention;
FIG. 5 is a schematic diagram showing the positional relationship between the electromagnetic sleeve and the through hole according to the present invention;
FIG. 6 is a schematic view of the internal structure of the driving housing according to the present invention;
fig. 7 is a schematic view of the internal structure of the torque stabilizing transmission mechanism of the present invention.
In the figure: 1. a pump body; 2. an oil inlet pipe; 3. an oil outlet pipe; 4. a limiting groove; 5. a drive shaft; 6. positioning holes; 7. fastening a bolt; 8. a flow chamber; 9. a gear groove; 10. a driving gear; 11. a driven gear; 12. an electromagnetic sleeve; 121. a through hole; 13. rotating the column; 131. an electromagnet; 132. a support bar; 133. a sleeve; 14. a drive case; 15. a stator; 16. an electric brush; 17. a conductive coil; 18. an elastic telescopic sleeve; 19. a connecting rod; 20. and (4) a sliding sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1-7, a high-stability hydraulic gear pump includes a pump body 1, an oil inlet pipe 2 is fixedly connected to the front side of the pump body 1, an oil outlet pipe 3 is fixedly connected to the rear side of the pump body 1, a driving shaft 5 is connected to the left side wall of the pump body 1 in a penetrating manner, and the end of the driving shaft 5 extends into the pump body 1;
the oil suction pump comprises a pump body 1, a flow cavity 8 is formed in the pump body 1, two ends of the flow cavity 8 are fixedly connected with an oil inlet pipe 2 and an oil outlet pipe 3 respectively, gear grooves 9 are formed in the upper end and the lower end of the flow cavity 8, a driving gear 10 is arranged in the upper end gear groove 9, the left side wall of the driving gear 10 is fixedly connected to a driving shaft 5, when the oil suction pump starts to work, the driving shaft 5 is opened firstly, so that the driving gear 10 and a driven gear 11 rotate synchronously, and the closed volume of a gear on one side which is withdrawn and meshed at the moment is increased to form an oil suction cavity; the closed volume of the gear on one side entering the meshing is reduced to form a pressure oil cavity, at the moment, hydraulic oil enters the oil suction cavity of the gear pump through the oil inlet pipe 2 and is discharged from the oil outlet pipe 3 communicated with the pressure oil cavity, so that the gear pump continuously sucks and discharges the hydraulic oil, and the kinetic energy output by the motor is converted into the pressure energy of the hydraulic oil.
A driven gear 11 is meshed at the lower end of the driving gear 10, the driven gear 11 is positioned inside the lower-end gear groove 9, an electromagnetic sleeve 12 is fixedly connected to the left side of the driven gear 11, a rotating column 13 is sleeved on the left side of the electromagnetic sleeve 12, and a limiting mechanism is arranged inside the rotating column 13;
the left side of rotating column 13 is equipped with drive shell 14, and the left end of rotating column 13 extends to the inside of drive shell 14, and the inside of drive shell 14 is equipped with electric energy conversion mechanism, and the left side outer wall fixed connection of drive shell 14 is on the inner wall of the pump body 1.
The limiting mechanism comprises four through holes 121 arranged on the inner wall of the electromagnetic sleeve 12 at equal intervals along the circumferential direction of the electromagnetic sleeve 12, and a torque stable transmission mechanism is arranged inside the electromagnetic sleeve 12;
the limiting mechanism further comprises four sleeves 133 fixedly connected to the outer side wall of the rotating column 13, the four sleeves 133 are arranged at equal intervals along the central axis of the rotating column 13, support rods 132 are connected to the outer sides of the sleeves 133 in a sliding manner, an electromagnet 131 is fixedly connected to one side, close to the rotating column 13, of the tail end of each sleeve 133, when large torque is transmitted, the electromagnet 131 inside each sleeve 133 is turned on, so that the magnetic support rod 132 slides towards the outer side of the rotating column 13, in the sliding process, because the electromagnetic sleeve 12 continuously rotates, when the through hole 121 inside the electromagnetic sleeve 12 and the support rod 132 are clamped with each other, the rotating column 13 is driven by the rotation of the driving gear 10 through the driving shaft 5 to rotate, the driven gear 11 is driven to be in meshing transmission, and induced electromotive force is generated through the matching arrangement among the rotating column 13, the stator 15, the electric brush 16 and the conductive coil 17, the effect of converting the kinetic energy of the driving shaft 5 into the electric energy in the gear pump meshing transmission process is achieved, and the kinetic energy is provided for the subsequent stabilizing mechanism.
The electric energy conversion mechanism comprises stators 15 fixedly connected to the upper end and the lower end of the inner wall of the driving shell 14, the inner wall of each stator 15 is arc-shaped, the stators 15 are symmetrically arranged along the rotating columns 13, and the conductive coils 17 are ensured to rotate along the inside of a magnetic field generated by the stators 15 to cut magnetic induction lines, so that induced current is generated.
The left side wall of rotation post 13 is fixedly connected with two brushes 16, the top of every brush 16 all is fixedly connected with conductive coil 17, conductive coil 17 sets up to closed rectangular coil, the length value of conductive coil 17 is less than the interval value of adjacent stator 15, when the driving shaft 5 drive hydraulic pressure mechanism of motor worked, because the rotation of driving gear 10 drove the rotation of driven gear 11 simultaneously, consequently, the conductive coil 17 that is located the inside drive shell 14 of driven gear 11 output shaft end constantly cuts the magnetic induction line that the inside stator 15 of drive shell 14 produced, cooperation brush 16, consequently produce continuous induced electromotive force, so far, the kinetic energy of motor output also turns into the electric energy when turning into the pressure energy of hydraulic oil, the storage with drive the inside shell 14.
The stable transmission device of torque is including setting up the flexible cover 18 in the electromagnetic sleeve 12 outside, the inside wall fixedly connected with connecting rod 19 of flexible cover 18, connecting rod 19's other end sliding connection has sliding sleeve 20, sliding sleeve 20 sets up the inside at electromagnetic sleeve 12, realize turning into the effect of the inside electric energy of driving shell 14 with the power of driving shaft 5 through energy conversion mechanism, simultaneously through flexible cover 18, connecting rod 19, the inside stable support between driving gear 10 and driven gear 11 is realized to cooperation setting between the sliding sleeve 20, the stability of gear pump work has been showing and has been improved.
The connecting rod 19 sets up six along the equidistant interval of the inner wall side of elastic expansion sleeve 18, elastic expansion sleeve 18 sets up to the electromagnetism material, sliding sleeve 20 is the magnetism material, the electromagnetism magnetism of elastic expansion sleeve 18 is the same with the magnetism of sliding sleeve 20, the electric energy of production acts on the inside of elastic expansion sleeve 18, because elastic expansion sleeve 18 sets up to the electromagnetism material, consequently, elastic expansion sleeve 18 takes magnetism this moment, because the magnetism of elastic expansion sleeve 18 is the same with the magnetism of sliding sleeve 20, consequently, connecting rod 19 takes elastic expansion sleeve 18 to slide towards the outside along the inside of sliding sleeve 20, make elastic expansion sleeve 18 closely laminate the inner wall at driven gear 11 so far, this moment because the magnetism of elastic expansion sleeve 18 makes between driving gear 10 and the driven gear 11 adsorb each other, and then strengthened the transmission effect of gear, the stability of gear pump during operation has been strengthened.
The supporting rod 132 is made of a magnetic material, the magnetism of the supporting rod 132 is the same as that of the electromagnet 131, the diameter value of the supporting rod 132 is smaller than that of the through hole 121, the supporting rod 132 is guaranteed to slide to the inside of the through hole 121, and the electromagnetic sleeve 12 rotates to the rotating column 13.
Spacing groove 4 has been seted up in the left side of the pump body 1, and driving shaft 5 runs through to the center of spacing groove 4, and four locating holes 6 have been seted up to the left side wall of the pump body 1 and the lower extreme that is located spacing groove 4, and four fastening bolt 7 of right side fixedly connected with of the pump body 1, the fixed of the pump body 1 of being convenient for and the inside of motor card income spacing groove 4.
The use method (working principle) of the invention is as follows:
when the oil suction device starts to work, the driving shaft 5 is firstly opened, so that the driving gear 10 and the driven gear 11 synchronously rotate, and the closed volume of the gear on one side which is withdrawn and meshed is increased to form an oil suction cavity; the closed volume of the gear on one side entering the meshing is reduced to form a pressure oil cavity, at the moment, hydraulic oil enters an oil suction cavity of the gear pump through an oil inlet pipe 2 and is discharged from an oil outlet pipe 3 communicated with the pressure oil cavity, and thus, the gear pump continuously sucks and discharges the hydraulic oil, so that kinetic energy output by the motor is converted into pressure energy of the hydraulic oil;
when a large torque is transmitted, the electromagnet 131 in the sleeve 133 is turned on, so that the magnetic support rod 132 slides along the outside of the rotating column 13, and during the sliding process, because the electromagnetic sleeve 12 continuously rotates, when the through hole 121 in the electromagnetic sleeve 12 is clamped with the support rod 132, the rotation of the electromagnetic sleeve 12 drives the rotating column 13 to synchronously rotate, and at this time, the electric energy conversion mechanism starts to work;
when the driving shaft 5 of the motor drives the hydraulic mechanism to work, the driving gear 10 rotates to drive the driven gear 11 to rotate, so that the conductive coil 17 in the driving shell 14 at the tail end of the output shaft of the driven gear 11 continuously cuts magnetic induction lines generated by the stator 15 in the driving shell 14 and is matched with the electric brush 16 to generate continuous induced electromotive force, and kinetic energy output by the motor is converted into pressure energy of hydraulic oil and electric energy to be stored in the driving shell 14;
the electric energy that produces acts on the inside of elastic expansion sleeve 18, because elastic expansion sleeve 18 sets up to the electromagnetism material, consequently elastic expansion sleeve 18 takes magnetism this moment, because the magnetism of elastic expansion sleeve 18 is the same with the magnetism of sliding sleeve 20, consequently connecting rod 19 takes elastic expansion sleeve 18 to slide towards the outside along the inside of sliding sleeve 20, make elastic expansion sleeve 18 closely laminate the inner wall at driven gear 11 so far, make between driving gear 10 and the driven gear 11 adsorb each other because the magnetism of elastic expansion sleeve 18 this moment, and then the transmission effect of gear has been strengthened, the stability of gear pump during operation has been strengthened.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (9)
1. A high stability's hydraulic gear pump, includes the pump body (1), its characterized in that: an oil inlet pipe (2) is fixedly connected to the front side of the pump body (1), an oil outlet pipe (3) is fixedly connected to the rear side of the pump body (1), a driving shaft (5) penetrates through the left side wall of the pump body (1), and the tail end of the driving shaft (5) extends into the pump body (1);
flow chamber (8) have been seted up to the inside of the pump body (1), the both ends in flow chamber (8) respectively with advance oil pipe (2) and go out oil pipe (3) fixed connection, gear groove (9) have all been seted up at the upper and lower both ends in flow chamber (8), the upper end the inside in gear groove (9) is equipped with driving gear (10), the left side wall fixed connection of driving gear (10) is on driving shaft (5).
2. The high stability hydraulic gear pump of claim 1, wherein: a driven gear (11) is meshed at the lower end of the driving gear (10), the driven gear (11) is located inside a lower-end gear groove (9), an electromagnetic sleeve (12) is fixedly connected to the left side of the driven gear (11), a rotating column (13) is sleeved on the left side of the electromagnetic sleeve (12), and a limiting mechanism is arranged inside the rotating column (13);
the left side of rotating post (13) is equipped with drive shell (14), the left end of rotating post (13) extends to the inside of drive shell (14), the inside of drive shell (14) is equipped with electric energy conversion mechanism, the left side outer wall fixed connection of drive shell (14) is on the inner wall of the pump body (1).
3. A high stability hydraulic gear pump according to claim 2, characterized in that: the limiting mechanism comprises through holes (121) formed in the inner wall of the electromagnetic sleeve (12), the number of the through holes (121) is four, the through holes are arranged at equal intervals along the circumferential direction of the electromagnetic sleeve (12), and a torque stable transmission mechanism is arranged in the electromagnetic sleeve (12);
stop gear still includes sleeve (133) of fixed connection at rotation post (13) lateral wall, sleeve (133) set up four along the axis of rotating post (13) equidistant, the equal sliding connection in outside of sleeve (133) has bracing piece (132), every the end of sleeve (133) is close to one side fixedly connected with electro-magnet (131) of rotating post (13).
4. A high stability hydraulic gear pump according to claim 2, characterized in that: the electric energy conversion mechanism comprises stators (15) fixedly connected to the upper end and the lower end of the inner wall of the driving shell (14), the inner wall of each stator (15) is arc-shaped, and the stators (15) are symmetrically arranged along the rotating column (13).
5. The high stability hydraulic gear pump of claim 4, wherein: the left side wall of the rotating column (13) is fixedly connected with two electric brushes (16), the top end of each electric brush (16) is fixedly connected with a conductive coil (17), the conductive coils (17) are set to be closed rectangular coils, and the length value of each conductive coil (17) is smaller than the distance value of adjacent stators (15).
6. A high stability hydraulic gear pump according to claim 3, characterized in that: the torque stabilization transmission mechanism comprises an elastic telescopic sleeve (18) arranged on the outer side of an electromagnetic sleeve (12), a connecting rod (19) is fixedly connected to the inner side wall of the elastic telescopic sleeve (18), a sliding sleeve (20) is connected to the other end of the connecting rod (19) in a sliding mode, and the sliding sleeve (20) is arranged inside the electromagnetic sleeve (12).
7. The high stability hydraulic gear pump of claim 6, wherein: the connecting rod (19) sets up six along the inner wall side equidistant of elastic telescopic sleeve (18), elastic telescopic sleeve (18) sets up to the electromagnetism material, sliding sleeve (20) are the magnetism material, the electromagnetism magnetism of elastic telescopic sleeve (18) is the same with the magnetism of sliding sleeve (20).
8. A high stability hydraulic gear pump according to claim 3, characterized in that: the supporting rod (132) is made of magnetic materials, the magnetism of the supporting rod (132) is the same as that of the electromagnet (131), and the diameter value of the supporting rod (132) is smaller than that of the through hole (121).
9. The high stability hydraulic gear pump of claim 1, wherein: spacing groove (4) have been seted up in the left side of the pump body (1), driving shaft (5) run through to the center of spacing groove (4), four locating holes (6) have been seted up to the left side wall of the pump body (1) and the lower extreme that is located spacing groove (4), four fastening bolt (7) of right side fixedly connected with of the pump body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210020511.4A CN114320890A (en) | 2022-01-10 | 2022-01-10 | High-stability hydraulic gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210020511.4A CN114320890A (en) | 2022-01-10 | 2022-01-10 | High-stability hydraulic gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114320890A true CN114320890A (en) | 2022-04-12 |
Family
ID=81027527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210020511.4A Pending CN114320890A (en) | 2022-01-10 | 2022-01-10 | High-stability hydraulic gear pump |
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| Country | Link |
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| CN (1) | CN114320890A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059609A (en) * | 2022-06-14 | 2022-09-16 | 淮安市君宝液压机械有限公司 | High hydraulic gear pump of accurate regulation stability |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001187926A (en) * | 1999-11-19 | 2001-07-10 | Maag Pump Syst Textron Ag | Device with magnetic coupling |
| US20120148426A1 (en) * | 2009-07-31 | 2012-06-14 | Robert Bosch Gmbh | Gear pump |
| CN108050057A (en) * | 2017-12-08 | 2018-05-18 | 镇江沃尔夫重工部件有限公司 | A kind of gear pump with gear self-lubricating function |
| WO2018115585A1 (en) * | 2016-12-21 | 2018-06-28 | Oy Vörå R & D Ab | A gear pump |
| CN212536062U (en) * | 2020-08-01 | 2021-02-12 | 浙江乾麟缝制设备有限公司 | Motor built-in gear pump |
-
2022
- 2022-01-10 CN CN202210020511.4A patent/CN114320890A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001187926A (en) * | 1999-11-19 | 2001-07-10 | Maag Pump Syst Textron Ag | Device with magnetic coupling |
| US20120148426A1 (en) * | 2009-07-31 | 2012-06-14 | Robert Bosch Gmbh | Gear pump |
| WO2018115585A1 (en) * | 2016-12-21 | 2018-06-28 | Oy Vörå R & D Ab | A gear pump |
| CN108050057A (en) * | 2017-12-08 | 2018-05-18 | 镇江沃尔夫重工部件有限公司 | A kind of gear pump with gear self-lubricating function |
| CN212536062U (en) * | 2020-08-01 | 2021-02-12 | 浙江乾麟缝制设备有限公司 | Motor built-in gear pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059609A (en) * | 2022-06-14 | 2022-09-16 | 淮安市君宝液压机械有限公司 | High hydraulic gear pump of accurate regulation stability |
| CN115059609B (en) * | 2022-06-14 | 2024-02-23 | 淮安市君宝液压机械有限公司 | Hydraulic gear pump with high precision adjustment stability |
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Application publication date: 20220412 |
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